U-shaped, steam and water tube boiler with superposed chambers专利检索- 卧式水管锅炉即水管组是卧置的专利检索查询-专利查询网

U-shaped, steam and water tube boiler with superposed chambers
申请号	US27581352	申请日	1952-03-10	公开(公告)号	US2709423A	公开(公告)日	1955-05-31
申请人	ROMERO FREDERICK B;			发明人	ROMERO FREDERICK B;
摘要
权利要求
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